JMB RetrofitsAH Fabrications
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  1. #1
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    A6 2.5 tdi avant Quattro c5 water temp

    The temperature gauge for my engine coolant has mostly stopped working then all of a sudden it starts to work again!! The car heater system is working normally when the gauge hasn't moved a smidge! Is there a sensor that might be at fault or is it a bigger job? Any advice appreciated, thanks

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  3. #2
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    Temp guage sensor perhaps?, vcds scan might give a clue
    2001 A6 1.9tdi SE Avant

  4. #3
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    Sensor location

    Can anyone advise me of the location of the sensor for the coolant?

  5. #4
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    Sorry wish I could but mines a 4-pot, hopefully a 2.5 owner will be along soon
    2001 A6 1.9tdi SE Avant

  6. #5
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    Take the engine cover off and look to the left of the injector pump- it's the sensor plugged in the black coolant pipe. Replace the seal with the new sensor and be careful with the plastic retaining clip- they do snap !
    FOR SALE:
    -Golf mk 5/audi a3 1.6 FSI fuel pump, brand new genuine part boxed + seals
    -audi a3 (1998 to 2003) genuine clutch slave cylinder to fit 1.6 engines BRAND NEW
    -Rear bush press tool to fit new rear axle bushes on Golf Mk3/4, Audi a3/S3, Seat Leon/Toledo, Skoda Octavia mk 1/2 used once

  7. #6
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    Quote Originally Posted by adamss24 View Post
    Take the engine cover off and look to the left of the injector pump- it's the sensor plugged in the black coolant pipe. Replace the seal with the new sensor and be careful with the plastic retaining clip- they do snap !

    thanks adamss24, i'll look tomorow when i have some light, is it an expensive part and where would i be best to get the required sensor and seal? thanks again.

  8. #7
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    I would get one from dealer, the cheap ones don't last !
    FOR SALE:
    -Golf mk 5/audi a3 1.6 FSI fuel pump, brand new genuine part boxed + seals
    -audi a3 (1998 to 2003) genuine clutch slave cylinder to fit 1.6 engines BRAND NEW
    -Rear bush press tool to fit new rear axle bushes on Golf Mk3/4, Audi a3/S3, Seat Leon/Toledo, Skoda Octavia mk 1/2 used once

 

 

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